1.Telephone amplifier 2.with ce.rohs certification 3.can increasing incoming volume up to 3 times

1.Telephone amplifier2.with ce.rohs certification3.can increasing incoming volume up to 3 times

compatible with all home and office telephones,two switches beside to be adjusted when necessary.

increasing lncoming volume 3 times (about 30DB),with an adjustable fingertip control.

perfect your hearing in noisy environments.

amplifies automatically when you lift the handset

automatic control circuit minimizes levels of distortion .

connescts between handset and phone base easily ,no wiring involved.

light weight ,compact and portable for  travel.

Telephone amplifier